diff --git a/core/src/main/java/hudson/model/Run.java b/core/src/main/java/hudson/model/Run.java
index f95217bbe5..a0afe03d85 100644
--- a/core/src/main/java/hudson/model/Run.java
+++ b/core/src/main/java/hudson/model/Run.java
@@ -1852,7 +1852,7 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
 
                     setResult(job.run(listener));
 
-                    LOGGER.log(INFO, "{0} main build action completed: {1}", new Object[] {this, result});
+                    LOGGER.log(FINEST, "{0} main build action completed: {1}", new Object[] {this, result});
                     CheckPoint.MAIN_COMPLETED.report();
                 } catch (ThreadDeath t) {
                     throw t;
diff --git a/core/src/main/java/hudson/model/UpdateSite.java b/core/src/main/java/hudson/model/UpdateSite.java
index 363a9cf9e8..afaea8e263 100644
--- a/core/src/main/java/hudson/model/UpdateSite.java
+++ b/core/src/main/java/hudson/model/UpdateSite.java
@@ -209,7 +209,7 @@ public class UpdateSite {
             }
         }
 
-        LOGGER.info("Obtained the latest update center data file for UpdateSource " + id);
+        LOGGER.finest("Obtained the latest update center data file for UpdateSource " + id);
         retryWindow = 0;
         getDataFile().write(json);
         data = new Data(o);